<!doctype html>
<html>

<head>
    <meta charset="utf-8">
    <title>无标题文档</title>
    <style>
        /*样式1*/  
        .a-upload {  
            padding: 4px 10px;  
            height: 20px;  
            line-height: 20px;  
            position: relative;  
            cursor: pointer;  
            color: #888;  
            background: #fafafa;  
            border: 1px solid #ddd;  
            border-radius: 4px;  
            overflow: hidden;  
            display: inline-block;  
            *display: inline;  
            *zoom: 1  
        }  
        .a-upload  input {  
            position: absolute;  
            font-size: 100px;  
            right: 0;  
            top: 0;  
            opacity: 0;  
            filter: alpha(opacity=0);  
            cursor: pointer  
        }  
        .a-upload:hover {  
            color: #444;  
            background: #eee;  
            border-color: #ccc;  
            text-decoration: none  
        }  
        /*样式2*/  
        .file {  
            position: relative;  
            display: inline-block;  
            background: #D0EEFF;  
            border: 1px solid #99D3F5;  
            border-radius: 4px;  
            padding: 4px 12px;  
            overflow: hidden;  
            color: #1E88C7;  
            text-decoration: none;  
            text-indent: 0;  
            line-height: 20px;  
        }  
        .file input {  
            position: absolute;  
            font-size: 100px;  
            right: 0;  
            top: 0;  
            opacity: 0;  
        }  
        .file:hover {  
            background: #AADFFD;  
            border-color: #78C3F3;  
            color: #004974;  
            text-decoration: none;  
        }  

        /* 样式3 */
        .file3{
            position: relative;  
            display: block;  
            background: #D0EEFF;  
            border: 1px solid #99D3F5;  
            border-radius: 4px;  
            padding: 4px 12px;  
            overflow: hidden;  
            color: #1E88C7;  
            text-decoration: none;  
            text-indent: 0;  
            line-height: 20px;
        }
        /*  */
        /*隐藏掉我们模型的checkbox*/
    .my_protocol .input_agreement_protocol {
                appearance: none;
                -webkit-appearance: none;
                outline: none;
                display: none;
            }
    /*未选中时*/        
   .my_protocol .input_agreement_protocol+span {
                width: 16px;
                height: 16px;
                background-color: red;
                display: inline-block;
                background: url(../../Images/TalentsRegister/icon_checkbox.png) no-repeat;
                background-position-x: 0px;
                background-position-y: -25px;
                position: relative;
                top: 3px;
            }
   /*选中checkbox时,修改背景图片的位置*/            
   .my_protocol .input_agreement_protocol:checked+span {
                background-position: 0 0px
            }
    </style>
</head>

<body style="padding: 10px">
    <a href="javascript:;" class="a-upload">
        <input type="file" name="" id="">点击这里上传文件
    </a>
    <hr>
    <a href="javascript:;" class="file">选择文件
        <input type="file" name="" id="">
    </a>
    <hr>
    <a href="javascript:;" class="file3">
        <input type="file" name="" id="file3">点击这里上传文件
    </a>
    <hr>
    <label class="my_protocol">
        <input class="input_agreement_protocol" type="checkbox" />
        <span></span>
  </label>


</body>

</html>